$99+ Cheap flights from Incheon Intl (ICN) to Singapore (SIN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl to Singapore with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in April or March, booked 44 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Incheon Intl to Singapore
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to SingaporeExplore the most affordable flight options available from Incheon Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Incheon Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop9h 55m
Thu 11/127:15 pm -
1 stop9h 45m
Deal found 9/23![VietJet Air logo]()
$261
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:10 pm -
Nonstop7h 00m
Sun 11/11:10 am -
Nonstop6h 30m
Deal found 9/24![Jeju Air logo]()
$263
This Jeju Air deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 pm -
Nonstop7h 00m
Sun 11/11:10 am -
Nonstop6h 30m
Deal found 9/28![Jeju Air logo]()
$264
This Jeju Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm -
Nonstop7h 00m
Tue 11/101:10 am -
Nonstop6h 30m
Deal found 9/25![Jeju Air logo]()
$265
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm -
Nonstop7h 00m
Mon 11/91:10 am -
Nonstop6h 30m
Deal found 9/24![Jeju Air logo]()
$266
This Jeju Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:10 pm -
Nonstop7h 00m
Tue 11/101:10 am -
Nonstop6h 30m
Deal found 9/25![Jeju Air logo]()
$267
This Jeju Air deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:10 pm -
Nonstop7h 00m
Mon 11/91:10 am -
Nonstop6h 30m
Deal found 9/28![Jeju Air logo]()
$268
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:10 pm -
Nonstop6h 30m
Mon 10/1912:50 am -
Nonstop6h 50m
Deal found 9/24![Jeju Air logo]()
$269
This Jeju Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:10 pm -
Nonstop6h 30m
Sat 10/2412:50 am -
Nonstop6h 50m
Deal found 9/23![Jeju Air logo]()
$270
This Vietnam Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm -
1 stop27h 05m
Mon 10/196:25 pm -
1 stop21h 00m
Deal found 9/27![Vietnam Airlines logo]()
$272
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:55 pm -
1 stop10h 00m
Mon 10/261:10 am -
Nonstop6h 30m
Deal found 9/24![Multiple Airlines logo]()
$273
Best flights from Incheon Intl to SingaporeDiscover carefully curated flight deals from Incheon Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Incheon Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Vietnam Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm -
1 stop19h 15m
Mon 10/196:25 pm -
1 stop21h 00m
Deal found 9/27![Vietnam Airlines logo]()
$316
This Shandong Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shandong Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1810:05 pm -
1 stop27h 00m
Tue 3/231:10 am -
1 stop11h 35m
Deal found 9/26![Shandong Airlines logo]()
$329
This Jeju Air deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:10 pm -
Nonstop6h 30m
Sun 10/1112:50 am -
Nonstop6h 50m
Deal found 9/27![Jeju Air logo]()
$344
This Singapore Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/294:55 pm -
Nonstop6h 35m
Tue 2/28:30 am -
Nonstop6h 10m
Deal found 9/23![Singapore Airlines logo]()
$352
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:30 pm -
Nonstop6h 55m
Fri 1/111:00 pm -
Nonstop6h 35m
Deal found 9/26![Trinity Airways (Formerly T'way Air) logo]()
$526
This Singapore Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/48:50 am -
Nonstop6h 35m
Mon 3/82:35 pm -
Nonstop6h 25m
Deal found 9/23![Singapore Airlines logo]()
$362
This Jeju Air deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:10 pm -
Nonstop6h 30m
Sun 10/1112:50 am -
Nonstop6h 50m
Deal found 9/27![Jeju Air logo]()
$395
This Vietnam Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:35 am -
1 stop9h 50m
Thu 11/198:45 pm -
1 stop8h 45m
Deal found 9/27![Vietnam Airlines logo]()
$397
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:10 pm -
Nonstop6h 30m
Sat 10/1012:50 am -
Nonstop6h 50m
Deal found 9/24![Jeju Air logo]()
$412
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/253:30 pm -
Nonstop6h 55m
Mon 1/411:00 pm -
Nonstop6h 35m
Deal found 9/25![Trinity Airways (Formerly T'way Air) logo]()
$555
This Vietnam Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:55 pm -
2 stops20h 30m
Wed 10/281:15 pm -
2 stops15h 30m
Deal found 9/27![Vietnam Airlines logo]()
$541
This Vietnam Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/206:15 am -
2 stops14h 10m
Fri 4/21:10 pm -
1 stop16h 30m
Deal found 9/26![Vietnam Airlines logo]()
$580
Last-minute flights from Incheon Intl to SingaporeDiscover last-minute flight deals from Incheon Intl to Singapore. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to Singapore. Data last updated September 28, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:10 pm -
Nonstop6h 30m
Fri 10/163:25 pm -
1 stop17h 15m
Deal found 9/25![Multiple Airlines logo]()
$271
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:35 am -
1 stop26h 35m
Wed 10/288:45 pm -
1 stop18h 40m
Deal found 9/23![Vietnam Airlines logo]()
$276
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:10 pm -
Nonstop6h 30m
Mon 10/1912:50 am -
Nonstop6h 50m
Deal found 9/24![Jeju Air logo]()
$269
This Vietnam Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 pm -
1 stop27h 05m
Mon 10/196:25 pm -
1 stop21h 00m
Deal found 9/27![Vietnam Airlines logo]()
$272
This Jeju Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 pm -
Nonstop6h 30m
Mon 10/1912:50 am -
Nonstop6h 50m
Deal found 9/25![Jeju Air logo]()
$268
This Booking.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:55 pm -
1 stop10h 00m
Mon 10/261:10 am -
Nonstop6h 30m
Deal found 9/24![Multiple Airlines logo]()
$273
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:50 pm -
Nonstop6h 40m
Tue 10/2011:00 pm -
Nonstop6h 45m
Deal found 9/25![Trinity Airways (Formerly T'way Air) logo]()
$274
This Trinity Airways (Formerly T'way Air) deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trinity Airways (Formerly T'way Air) is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:50 pm -
Nonstop6h 40m
Wed 10/2111:00 pm -
Nonstop6h 45m
Deal found 9/26![Trinity Airways (Formerly T'way Air) logo]()
$277
This Jeju Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:10 pm -
Nonstop6h 30m
Sat 10/2412:50 am -
Nonstop6h 50m
Deal found 9/23![Jeju Air logo]()
$270
This Jeju Air deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:10 pm -
Nonstop7h 00m
Sun 11/11:10 am -
Nonstop6h 30m
Deal found 9/28![Jeju Air logo]()
$264
This Jeju Air deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:10 pm -
Nonstop7h 00m
Sun 11/11:10 am -
Nonstop6h 30m
Deal found 9/24![Jeju Air logo]()
$263
One-way flights from Incheon Intl to SingaporeSearch for one-way flight options from Incheon Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Incheon Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Booking.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:10 pm -
Nonstop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Jeju Air logo]()
$99
This Jeju Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:10 pm -
Nonstop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Jeju Air logo]()
$100
This Jeju Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:10 pm -
Nonstop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Jeju Air logo]()
$101
This Jeju Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:10 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Jeju Air logo]()
$104
This Jeju Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:10 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Jeju Air logo]()
$105
This Jeju Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:10 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Jeju Air logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:10 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Jeju Air logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:10 pm -
Nonstop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Jeju Air logo]()
$109
This CheapOair deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:35 am -
1 stop24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![AirAsia logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:35 am -
1 stop14h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![AirAsia logo]()
$118
Find flight deals from Incheon Intl to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Kiwi.com) |
One-way from | $99 (Booking.com) |
Popular in | December |
Cheapest in | April |
Average price | $429 |
Good round-trip deal | $368 or less |
Good one-way deal | $150 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Wed 11/25
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$104
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Thu 11/5
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$104
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Tue 11/3
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$128
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Fri 10/30
3:30 pm-9:25 pm
Nonstop6h 55m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$129
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Sat 10/31
11:45 am-12:05 am
1 stop13h 20m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$157
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Mon 11/30
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$162
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Mon 12/7
6:05 pm-3:10 pm
1 stop22h 05m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$168
Quickest round-trip
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Sat 10/24
6:10 pm-11:40 pm
Nonstop6h 30m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$194
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Tue 12/1
6:10 pm-12:10 am
Nonstop7h 00m
Singapore Changi
Wed 12/31
12:00 am-1:30 am
Nonstop0h 00m
$206
IncheonSingapore
ICN Incheon Intl - SIN Singapore Changi
ICNSIN
Incheon Intl
Thu 10/15
5:55 pm-12:10 pm
1 stop19h 15m
Singapore Changi
Mon 10/19
6:25 pm-4:25 pm
1 stop21h 00m
$316
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to Singapore
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Singapore in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Singapore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Incheon Intl with our price prediction graph.
ICN-SIN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to Singapore
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to Singapore?
The best time to book flights from Incheon Intl Airport to Singapore is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Incheon Intl Airport to Singapore?
Currently, April is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of $284). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of $480). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SIN?
Find hourly flight availability from Incheon Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
One of the essential ways to save on airfare from Incheon Intl Airport to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 34% on airfare.
What is the cheapest day to fly from Incheon Intl Airport to Singapore?
Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Singapore. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Incheon Intl Airport to Singapore flight should consider departing on Friday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Incheon to Singapore delayed?
About 14% of weekly flights between Incheon and Singapore have experienced delays in the past year, with the average delay time being 114 minutes.
What is the most punctual flight time for Incheon to Singapore flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Singapore flights?
Over the last year, Trinity Airways (Formerly T'way Air) have had the lowest number of delays on this route, with just 7% of flights being delayed.
The best insider tips for Incheon Intl Airport to Singapore flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Singapore trip
Our travel experts
Reviews of airlines servicing Singapore
Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated September 28, 2026.
Peruse reviews from past customers who have flown with Korean Air,Singapore Airlines, andAsiana Airlines from Incheon Intl Airport to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Overall
8.4
Food
8.1
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Overall
8.4
Food
8.1
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Overall
8.4
Food
8.1
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Overall
8.4
Food
8.1
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Overall
8.4
Food
8.1
Boarding
8.5
Comfort
8.3
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Incheon Intl and Singapore flights
Browse other Incheon Intl and Singapore flight options. Last updated on September 28, 2026.
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Top 6 airlines flying from Incheon Intl to Singapore
Discover the top 6 airlines that operate flights from Incheon Intl to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$311 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$240 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$606 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$310 | Average$651 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$323 | Average$538 | FlexibilityNo cancel fee | On-time81% |